You have two options to uninstall dfndr performance.
Uninstall using Play Store:
1- Open the Play Store app and select menu .
2- Select “My apps & games” and go to “Installed”.
3- Select the icon for dfndr performance.
4- Select “Uninstall”.
5- Select “Ok” to confirm.
Uninstall using Android Settings:
1- Open Android Settings .
2- Select “Apps”.
3- Choose DFNDR Performance and select “Uninstall”.
4- Select “Ok” to confirm.